Cited by 117Down syndrome and intellectual disability researchGenomics and Phylogenetic StudiesGenomic variations and chromosomal abnormalities

Transcript catalogs of human chromosome 21 and orthologous chimpanzee and mouse regions

Sturgeon, Xiaolu, Gardiner, Katheleen J.·2011·Mammalian Genome

Abstract

A comprehensive representation of the gene content of the long arm of human chromosome 21 (Hsa21q) remains of interest for the study of Down syndrome, its associated phenotypic features, and mouse models. Here we compare transcript catalogs for Hsa21q, chimpanzee chromosome 21 (Ptr21q), and orthologous regions of mouse chromosomes 16, 17, and 10 for open reading frame (ORF) characteristics and conservation. The Hsa21q and mouse catalogs contain 552 and 444 gene models, respectively, of which only 162 are highly conserved. Hsa21q transcripts were used to identify orthologous exons in Ptr21q and assemble 533 putative transcripts. Transcript catalogs for all three organisms are searchable for nucleotide and amino acid sequence features of ORF length, repeat content, experimental support, gene structure, and conservation. For human and mouse comparisons, three additional summaries are provided: (1) the chromosomal distribution of novel ORF transcripts versus potential functional RNAs, (2) the distribution of species-specific transcripts within Hsa21q and mouse models of Down syndrome, and (3) the organization of sense-antisense and putative sense-antisense structures defining potential regulatory mechanisms. Catalogs, summaries, and nucleotide and amino acid sequences of all composite transcripts are available and searchable at http://gfuncpathdb.ucdenver.edu/iddrc/chr21/home.php. These data sets provide comprehensive information useful for evaluation of candidate genes and mouse models of Down syndrome and for identification of potential functional RNA genes and novel regulatory mechanisms involving Hsa21q genes. These catalogs and search tools complement and extend information available from other gene annotation projects.

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Crossref · 10.1007/s00335-011-9321-y

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Authors
Sturgeon, X., & Gardiner, K. J.
Affiliations
University of Colorado Denver (US)
Corresponding author
Gardiner, Katheleen J.
Venue
Mammalian Genome
Published
2011-03-13
Volume
22
Issue
5-6
Pages
261-271
ISSN
  • 0938-8990 (ISSN-L)
  • 1432-1777
OpenAlex
W2128527424
Cited by
117
References
38
Citations by year
2026: 3 · 2025: 5 · 2024: 6 · 2023: 5 · 2022: 4 · 2021: 5 · 2020: 5 · 2019: 6 · 2018: 9 · 2017: 8 · 2016: 10 · 2015: 9 · 2014: 12 · 2013: 10 · 2012: 13
FWCI
13.20
Type
journal article
Language
en
Open access
closed
Locations
  • Mammalian Genome (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Anna and John J. Sie Foundation
  • National Institutes of Health (5r01hd056235-05)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (HD056235, R01-HD056235)
Topics
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Down syndrome and intellectual disability research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Phylogenetic Studies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genomic variations and chromosomal abnormalities
Keywords
chromosome 21, Down syndrome, orthologous regions, mouse chromosomes, open reading frames, genetic conservation, functional RNA, mouse models of Down syndrome, genome annotation
MeSH terms
Animals, Pan troglodytes, Chromosomes, Human, Pair 21, Down Syndrome, Genes, Humans, Species Specificity, Open Reading Frames, Conserved Sequence, DNA, Complementary, Gene Expression Profiling, Regulatory Elements, Transcriptional, Mice

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